What is the Difference Between PCIe Gen 3 & Gen 4?

PCI Express® Version: PCIe® Native PCIe® Lanes : 28 , 24 Additional Usable PCIe Lanes from Motherboard X670E 12x Gen4 X670 12x Gen4

PCIe slot, Risers, Riser width, PCIe slot height, PCIe slot length, Slot width Slot 1, R2a , x32 PCIe, Low profile, Half length, x16 Slot 1, R1a (

pcie x 16 slot Unlike the much older ISA and PCI standards for card slots, the newer PCIe standard can be sized for efficient use of system resources, and is

pcie slot dimensions x32, where the number following 'x' represents how many channels the PCIe slot has A PCIe x1 slot